61407225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 122989152

約数和(自身を除く): 61581927

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 275, 387, 473, 495, 577, 645, 825, 1075, 1419, 1731, 1935, 2365, 2475, 2885, 3225, 4257, 5193, 6347, 7095, 8655, 9675, 11825, 14425, 19041, 21285, 24811, 25965, 31735, 35475, 43275, 57123, 74433, 95205, 106425, 124055, 129825, 158675, 223299, 272921, 285615, 372165, 476025, 620275, 818763, 1116495, 1364605, 1428075, 1860825, 2456289, 4093815, 5582475, 6823025, 12281445, 20469075, 61407225]

約数ペア:

[(1, 61407225), (3, 20469075), (5, 12281445), (9, 6823025), (11, 5582475), (15, 4093815), (25, 2456289), (33, 1860825), (43, 1428075), (45, 1364605), (55, 1116495), (75, 818763), (99, 620275), (129, 476025), (165, 372165), (215, 285615), (225, 272921), (275, 223299), (387, 158675), (473, 129825), (495, 124055), (577, 106425), (645, 95205), (825, 74433), (1075, 57123), (1419, 43275), (1731, 35475), (1935, 31735), (2365, 25965), (2475, 24811), (2885, 21285), (3225, 19041), (4257, 14425), (5193, 11825), (6347, 9675), (7095, 8655)]